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Suborder Senticaudata

Arlo Pelegrin, This one is for you! - Arcitalitrus sylvaticus Megalorchestia - Megalorchestia californiana Megalorchestia - Megalorchestia corniculata Megalorchestia - Megalorchestia corniculata Caprella - Caprella mutica - male Hyalella species - Hyalella - female Arcitalitrus sylvaticus, Lawn Shrimp  - Arcitalitrus sylvaticus Amphipoda; Hyalella - Hyalella - male - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Peracarida (Marsupial Crustaceans)
Order Amphipoda (Amphipods)
Suborder Senticaudata
Explanation of Names
Senticaudata Lowry & Myers, 2013
Numbers
5000 species worldwide
Identification
Strong apical setae on the 1st and 2nd uropods(1)
Range
Worldwide, ubiquitous in marine freshwater, and coastal environments, with terrestrial species in some areas
Remarks
The suborder was split from Gammaridea, traditionally the main amphipod suborder, by Lowry & Myers in 2013.(2)
Works Cited
1.A Phylogeny and Classification of the Senticaudata, subord. nov.
Lowry J.K. & Myers A.A. 2013. Zootaxa 3610(1): 001-080.
2.Wikipedia